TEO-540-C1A Engine Maintenance Manual
© 2018 Avco Corporation. All Rights Reserved
72-70
November 2018
Page 287
TEO-540-C1A Engine Maintenance Manual
Table 3 (Cont.)
Sensor Replacement Procedures
Sensor Name
Abbr.
ID
Qty.
Location
Replacement Instructions
Fuel Pump
Pressure Sensor
FPP
A014
1
Mounted in a
fitting at the
outlet of the
engine driven
mechanical fuel
pump and before
the engine filter
(Figure 35)
1.
Disconnect the harness connector
from the sensor per instruction in
the “Wiring Harness Connectors”
section in this chapter.
2.
Remove the sensor from the fitting.
3.
Install the new sensor in the fitting.
4.
Refer to Standard Torque Tables in
the latest revision of the
Service
Table of Limits - SSP-1776
for
torque values.
5.
Connect the harness connector to
the sensor per instruction in the
“Wiring Harness Connectors”
section in this chapter.
6.
Complete an operational ground
check.*
Fuel (Rail)
Pressure Sensor
FUEL-P
A013
1
Mounted on the
fuel manifold
immediately
before the fuel
pressure
regulator.
NOTICE:
Fuel manifold is
mounted behind
the coil box on
top of the engine
crankcase.
(Figure 39)
1.
Ensure the fuel hoses are
depressurized by loosening the cap
on the fuel pressure regulator bleed
port.
2.
Disconnect the harness connector
from the sensor per instruction in
the “Wiring Harness Connectors”
section in this chapter.
3.
Remove the sensor from the
pressure regulator manifold.
4.
Install the new sensor in the
pressure regulator manifold.
5.
Refer to Standard Torque Tables in
the latest revision of the
Service
Table of Limits - SSP-1776
, for
torque values.
6.
Torque the cap on the bleed fitting
to 84 to 120 in.-lb. (9.5 to 13 Nm).
7.
Connect the harness connector to
the sensor per instruction in the
“Wiring Harness Connectors”
section in this chapter.
8.
Complete an operational ground
check.*
